diff --git a/core/src/main/java/cn/edu/tsinghua/iot/benchmark/measurement/Measurement.java b/core/src/main/java/cn/edu/tsinghua/iot/benchmark/measurement/Measurement.java
index bb4fa2ff2..84c270595 100644
--- a/core/src/main/java/cn/edu/tsinghua/iot/benchmark/measurement/Measurement.java
+++ b/core/src/main/java/cn/edu/tsinghua/iot/benchmark/measurement/Measurement.java
@@ -160,7 +160,6 @@ public String getMeasurementsString(List<Operation> operations) {
     PersistenceFactory persistenceFactory = new PersistenceFactory();
     TestDataPersistence recorder = persistenceFactory.getPersistence();
     StringBuilder stringBuilder = new StringBuilder("\n");
-    stringBuilder.append(Thread.currentThread().getName()).append(" measurements:").append('\n');
     stringBuilder
         .append("Create schema cost ")
         .append(String.format("%.2f", createSchemaFinishTime))
diff --git a/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/BaseMode.java b/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/BaseMode.java
index 929ed6c1e..cf4273f58 100644
--- a/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/BaseMode.java
+++ b/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/BaseMode.java
@@ -64,7 +64,7 @@ public abstract class BaseMode {
   protected List<SchemaClient> schemaClients = new ArrayList<>();
   protected Measurement baseModeMeasurement = new Measurement();
   protected long startTime = 0;
-  private Timer middleMeasureTimer = new Timer();
+  private Timer middleMeasureTimer = new Timer("ShowResultPeriodically");
 
   protected abstract boolean preCheck();